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Summary of Significant Accounting Policies - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Accounting Policies [Abstract] |  |  |  |
Intangible assets, net | $ 400,000 |  | $ 400,000 |
Intangible asset, useful life | 5 years |  | 5 years |
Amortization of intangible assets | $ 18,000 |  | $ 53,000 |
Expected amortization, remainder of fiscal year | 71,000 |  | 71,000 |
Expected amortization, year one | 71,000 |  | 71,000 |
Expected amortization, year two | 71,000 |  | 71,000 |
Expected amortization, year three | 71,000 |  | 71,000 |
Expected amortization, year four | 71,000 |  | 71,000 |
Revenue excluding taxes | 0 | $ 0 | 0 | $ 0
Revenue from collaborative arrangement | 0 | 0 | 0 | 0
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue excluding taxes | $ 0 | $ 0 | 0 | $ 0
Royalty |  |  |  |
Accounting Policies [Abstract] |  |  |  |
Revenue excluding taxes |  |  | 0 |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue excluding taxes |  |  | $ 0 |

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